Kelsien, the Plague (Commander) - Expensive Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #415
75decks
As CommanderAs CardAverage DeckDecksView Precon
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Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
Ezra Sassaman
Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Avatar: The Last Airbender is bringing back experience counters, and that means that we can revamp Kelsien, the Plague.
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Basilisk Collar
97%inclusion73 decks75 decks
93%synergy
Mari, the Killing Quill
81%inclusion61 decks75 decks
75%synergy
Rune of Mortality
76%inclusion57 decks75 decks
75%synergy
Drumbellower
76%inclusion57 decks75 decks
74%synergy
Otharri, Suns' Glory
77%inclusion58 decks75 decks
72%synergy
Vorpal Sword
72%inclusion54 decks75 decks
70%synergy
Gorgon's Head
68%inclusion51 decks75 decks
67%synergy
Thornbite Staff
68%inclusion51 decks75 decks
67%synergy
Minthara, Merciless Soul
68%inclusion51 decks75 decks
66%synergy
Sting, the Glinting Dagger
63%inclusion47 decks75 decks
61%synergy
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Morbid Opportunist
71%inclusion53 decks75 decks
53%synergy
Shadowspear
63%inclusion47 decks75 decks
58%synergy
Falthis, Shadowcat Familiar
59%inclusion44 decks75 decks
57%synergy
Shay Cormac
58%inclusion40 decks69 decks
55%synergy
White Plume Adventurer
51%inclusion38 decks75 decks
49%synergy
Maha, Its Feathers Night
48%inclusion33 decks69 decks
47%synergy
General's Enforcer
47%inclusion35 decks75 decks
38%synergy
Ruinous Ultimatum
47%inclusion35 decks75 decks
7%synergy
You Are Already Dead
45%inclusion34 decks75 decks
44%synergy
Gift of Doom
45%inclusion34 decks75 decks
44%synergy
Game Changers
Teferi's Protection
17%inclusion13 decks75 decks
-3%synergy
Orcish Bowmasters
13%inclusion10 decks75 decks
8%synergy
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Daxos the Returned
44%inclusion33 decks75 decks
43%synergy
Humble Defector
44%inclusion33 decks75 decks
42%synergy
Goblin Sharpshooter
44%inclusion33 decks75 decks
43%synergy
Mother of Runes
43%inclusion32 decks75 decks
35%synergy
Magda, the Hoardmaster
38%inclusion27 decks72 decks
35%synergy
Taii Wakeen, Perfect Shot
36%inclusion26 decks72 decks
35%synergy
Kalemne, Disciple of Iroas
36%inclusion27 decks75 decks
35%synergy
Termination Facilitator
35%inclusion26 decks75 decks
33%synergy
Puresteel Paladin
32%inclusion24 decks75 decks
28%synergy
Mathas, Fiend Seeker
28%inclusion21 decks75 decks
26%synergy
Stoneforge Mystic
28%inclusion21 decks75 decks
25%synergy
Esper Sentinel
28%inclusion21 decks75 decks
10%synergy
Slaughter Specialist
27%inclusion20 decks75 decks
26%synergy
Lae'zel, Vlaakith's Champion
27%inclusion20 decks75 decks
25%synergy
Ertha Jo, Frontier Mentor
26%inclusion19 decks72 decks
26%synergy
Massacre Girl, Known Killer
25%inclusion19 decks75 decks
23%synergy
Harvester of Souls
24%inclusion18 decks75 decks
21%synergy
Archetype of Finality
24%inclusion18 decks75 decks
23%synergy
Giver of Runes
23%inclusion17 decks75 decks
20%synergy
Athreos, Shroud-Veiled
23%inclusion17 decks75 decks
21%synergy
Akiri, Fearless Voyager
21%inclusion16 decks75 decks
19%synergy
Sun Titan
20%inclusion15 decks75 decks
9%synergy
Void Beckoner
20%inclusion15 decks75 decks
19%synergy
Marvin, Murderous Mimic
19%inclusion12 decks64 decks
17%synergy
Blood Cultist
19%inclusion14 decks75 decks
18%synergy
Kratos, Stoic Father
17%inclusion4 decks23 decks
17%synergy
Zagras, Thief of Heartbeats
16%inclusion12 decks75 decks
15%synergy
Cunning Sparkmage
16%inclusion12 decks75 decks
16%synergy
Ankle Shanker
16%inclusion12 decks75 decks
13%synergy
Sram, Senior Edificer
15%inclusion11 decks75 decks
12%synergy
Assault Intercessor
13%inclusion10 decks75 decks
13%synergy
Bureau Headmaster
13%inclusion9 decks69 decks
12%synergy
Gisa, Glorious Resurrector
12%inclusion9 decks75 decks
11%synergy
Deathbringer Thoctar
12%inclusion9 decks75 decks
12%synergy
Witch Enchanter
11%inclusion8 decks71 decks
5%synergy
Aang, Airbending Master
11%inclusion3 decks28 decks
9%synergy
Clackbridge Troll
11%inclusion8 decks75 decks
10%synergy
Royal Assassin
11%inclusion8 decks75 decks
8%synergy
Norn's Choirmaster
11%inclusion8 decks75 decks
10%synergy
Grateful Apparition
11%inclusion8 decks75 decks
10%synergy
Metastatic Evangel
10%inclusion7 decks71 decks
10%synergy
Cloud, Midgar Mercenary
10%inclusion3 decks31 decks
9%synergy
Azula, Ruthless Firebender
10%inclusion2 decks21 decks
9%synergy
Codsworth, Handy Helper
9.5%inclusion7 decks74 decks
9%synergy
Queen Marchesa
9.3%inclusion7 decks75 decks
3%synergy
Robaran Mercenaries
9.3%inclusion7 decks75 decks
9%synergy
Vulshok Sorcerer
9.3%inclusion7 decks75 decks
9%synergy
Tor Wauki the Younger
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9%synergy
Rev, Tithe Extractor
8.8%inclusion5 decks57 decks
6%synergy
Qarsi Revenant
8.3%inclusion3 decks36 decks
5%synergy
Instants
Boros Charm
44%inclusion33 decks75 decks
15%synergy
Anguished Unmaking
44%inclusion33 decks75 decks
10%synergy
Swords to Plowshares
43%inclusion32 decks75 decks
-20%synergy
Mirrodin Avenged
31%inclusion23 decks75 decks
30%synergy
Crackling Doom
28%inclusion21 decks75 decks
11%synergy
Fracture
27%inclusion20 decks75 decks
20%synergy
Stroke of Midnight
27%inclusion20 decks75 decks
15%synergy
Path to Exile
27%inclusion20 decks75 decks
-20%synergy
Flawless Maneuver
25%inclusion19 decks75 decks
11%synergy
Despark
24%inclusion18 decks75 decks
10%synergy
Generous Gift
20%inclusion15 decks75 decks
1%synergy
Malakir Rebirth
19%inclusion14 decks75 decks
13%synergy
Deflecting Swat
17%inclusion13 decks75 decks
2%synergy
Offer Immortality
16%inclusion12 decks75 decks
15%synergy
Wear // Tear
16%inclusion12 decks75 decks
4%synergy
Bladebrand
13%inclusion10 decks75 decks
13%synergy
Chaos Warp
13%inclusion10 decks75 decks
-3%synergy
Dawn's Truce
13%inclusion9 decks69 decks
6%synergy
Fell the Profane
11%inclusion8 decks71 decks
5%synergy
Sejiri Shelter
11%inclusion8 decks75 decks
8%synergy
Terminate
9.3%inclusion7 decks75 decks
-3%synergy
Bedevil
9.3%inclusion7 decks75 decks
2%synergy
Mortify
9.3%inclusion7 decks75 decks
-6%synergy
Virulent Swipe
8.0%inclusion6 decks75 decks
8%synergy
Rakdos Charm
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-1%synergy
Deflecting Palm
8.0%inclusion6 decks75 decks
2%synergy
Volt Charge
8.0%inclusion6 decks75 decks
8%synergy
Redirect Lightning
7.1%inclusion2 decks28 decks
1%synergy
Legion Leadership
7.0%inclusion5 decks71 decks
3%synergy
Akroma's Will
6.7%inclusion5 decks75 decks
-7%synergy
Clever Concealment
6.7%inclusion5 decks75 decks
3%synergy
Valakut Awakening
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4%synergy
Tibalt's Trickery
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3%synergy
Restoration Magic
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5%synergy
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4%synergy
Fire Covenant
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4%synergy
Disenchant
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3%synergy
Bolt Bend
5.3%inclusion4 decks75 decks
4%synergy
Touch of Moonglove
5.3%inclusion4 decks75 decks
5%synergy
Galadriel's Dismissal
5.3%inclusion4 decks75 decks
4%synergy
Deadly Rollick
5.3%inclusion4 decks75 decks
-5%synergy
Battle-Rage Blessing
5.3%inclusion4 decks75 decks
5%synergy
Utter End
5.3%inclusion4 decks75 decks
0%synergy
Tragic Slip
5.3%inclusion4 decks75 decks
4%synergy
Sorceries
Open the Armory
37%inclusion28 decks75 decks
33%synergy
Mythos of Snapdax
32%inclusion24 decks75 decks
26%synergy
Call of the Death-Dweller
28%inclusion21 decks75 decks
28%synergy
Painful Truths
27%inclusion20 decks75 decks
18%synergy
Night's Whisper
24%inclusion18 decks75 decks
11%synergy
Blasphemous Act
24%inclusion18 decks75 decks
1%synergy
Vandalblast
23%inclusion17 decks75 decks
12%synergy
Steelshaper's Gift
23%inclusion17 decks75 decks
19%synergy
Read the Bones
21%inclusion16 decks75 decks
12%synergy
Sign in Blood
17%inclusion13 decks75 decks
9%synergy
Vindicate
16%inclusion12 decks75 decks
10%synergy
Sevinne's Reclamation
16%inclusion12 decks75 decks
8%synergy
Toxic Deluge
15%inclusion11 decks75 decks
6%synergy
Farewell
15%inclusion11 decks75 decks
4%synergy
Damn
13%inclusion10 decks75 decks
-5%synergy
Chandra's Ignition
13%inclusion10 decks75 decks
11%synergy
Faithless Looting
12%inclusion9 decks75 decks
-3%synergy
Drown in Ichor
11%inclusion8 decks75 decks
10%synergy
Single Combat
9.3%inclusion7 decks75 decks
8%synergy
Unearth
8.0%inclusion6 decks75 decks
6%synergy
Reanimate
8.0%inclusion6 decks75 decks
-9%synergy
Unfinished Business
8.0%inclusion6 decks75 decks
7%synergy
Divine Reckoning
6.7%inclusion5 decks75 decks
6%synergy
Tempt with Bunnies
5.8%inclusion4 decks69 decks
5%synergy
Seize the Day
5.3%inclusion4 decks75 decks
4%synergy
Rip Apart
5.3%inclusion4 decks75 decks
4%synergy
Avatar's Wrath
5.0%inclusion1 decks20 decks
0%synergy
Utility Artifacts
Magewright's Stone
45%inclusion34 decks75 decks
44%synergy
Gorgon Flail
43%inclusion32 decks75 decks
42%synergy
Swiftfoot Boots
43%inclusion32 decks75 decks
11%synergy
Illusionist's Bracers
40%inclusion30 decks75 decks
38%synergy
Thousand-Year Elixir
33%inclusion25 decks75 decks
32%synergy
Quietus Spike
32%inclusion24 decks75 decks
31%synergy
Mithril Coat
31%inclusion23 decks75 decks
25%synergy
Hunter's Blowgun
20%inclusion15 decks75 decks
19%synergy
Glaring Spotlight
19%inclusion14 decks75 decks
18%synergy
Sword of Truth and Justice
19%inclusion14 decks75 decks
18%synergy
Battlemage's Bracers
17%inclusion13 decks75 decks
17%synergy
Lightning Greaves
16%inclusion12 decks75 decks
-18%synergy
Brotherhood Regalia
14%inclusion10 decks69 decks
11%synergy
Robe of Stars
12%inclusion9 decks75 decks
11%synergy
Halo Fountain
12%inclusion9 decks75 decks
11%synergy
Wayfarer's Bauble
12%inclusion9 decks75 decks
3%synergy
Whispersilk Cloak
11%inclusion8 decks75 decks
5%synergy
The Masamune
10%inclusion3 decks30 decks
9%synergy
Haystack
9.5%inclusion7 decks74 decks
8%synergy
Sword of the Animist
9.3%inclusion7 decks75 decks
0%synergy
Nazgûl Battle-Mace
9.3%inclusion7 decks75 decks
9%synergy
Hammer of Nazahn
9.3%inclusion7 decks75 decks
7%synergy
Hidden Blade
8.1%inclusion6 decks74 decks
7%synergy
Helm of the Host
8.0%inclusion6 decks75 decks
2%synergy
Sword of Hearth and Home
8.0%inclusion6 decks75 decks
5%synergy
Scythe of the Wretched
8.0%inclusion6 decks75 decks
8%synergy
The Seriema
6.9%inclusion2 decks29 decks
6%synergy
Mask of Griselbrand
6.7%inclusion5 decks75 decks
5%synergy
Tome of Legends
6.7%inclusion5 decks75 decks
6%synergy
Sword of Feast and Famine
6.7%inclusion5 decks75 decks
3%synergy
Embercleave
5.3%inclusion4 decks75 decks
2%synergy
Sword of Forge and Frontier
5.3%inclusion4 decks75 decks
4%synergy
Contagion Engine
5.3%inclusion4 decks75 decks
5%synergy
Loxodon Warhammer
5.3%inclusion4 decks75 decks
3%synergy
Umbral Mantle
5.3%inclusion4 decks75 decks
5%synergy
O-Naginata
5.3%inclusion4 decks75 decks
5%synergy
Conqueror's Flail
5.3%inclusion4 decks75 decks
4%synergy
Enchantments
Fighter Class
40%inclusion30 decks75 decks
37%synergy
Black Market Connections
33%inclusion25 decks75 decks
18%synergy
All-Out Assault
33%inclusion12 decks36 decks
21%synergy
Phyrexian Arena
32%inclusion24 decks75 decks
13%synergy
Dazzling Theater // Prop Room
29%inclusion18 decks63 decks
27%synergy
Revel in Riches
27%inclusion20 decks75 decks
20%synergy
Reconnaissance
25%inclusion19 decks75 decks
14%synergy
Sigarda's Aid
23%inclusion17 decks75 decks
20%synergy
At Knifepoint
22%inclusion16 decks72 decks
21%synergy
Aspect of Gorgon
20%inclusion15 decks75 decks
19%synergy
Agent of the Shadow Thieves
19%inclusion14 decks75 decks
18%synergy
Black Market
17%inclusion13 decks75 decks
12%synergy
Forge Anew
16%inclusion12 decks75 decks
14%synergy
Death Pits of Rath
13%inclusion10 decks75 decks
13%synergy
Land Tax
12%inclusion9 decks75 decks
6%synergy
Grave Betrayal
9.3%inclusion7 decks75 decks
9%synergy
Spiteful Banditry
9.3%inclusion7 decks75 decks
7%synergy
Retreat to Hagra
9.3%inclusion7 decks75 decks
9%synergy
Gift of Immortality
9.3%inclusion7 decks75 decks
8%synergy
Ghoulish Impetus
6.7%inclusion5 decks75 decks
6%synergy
Trouble in Pairs
6.7%inclusion5 decks75 decks
1%synergy
Phyrexian Reclamation
6.7%inclusion5 decks75 decks
4%synergy
Eye of Nidhogg
6.5%inclusion2 decks31 decks
6%synergy
Glasswing Grace
5.6%inclusion4 decks71 decks
4%synergy
Eternal Thirst
5.3%inclusion4 decks75 decks
5%synergy
Life Insurance
5.3%inclusion4 decks75 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
15%inclusion11 decks75 decks
14%synergy
Kaya, Geist Hunter
12%inclusion9 decks75 decks
8%synergy
Utility Lands
Vault of the Archangel
57%inclusion43 decks75 decks
35%synergy
Rogue's Passage
47%inclusion35 decks75 decks
23%synergy
Arcane Lighthouse
45%inclusion34 decks75 decks
44%synergy
Bojuka Bog
39%inclusion29 decks75 decks
8%synergy
Detection Tower
31%inclusion23 decks75 decks
30%synergy
Urborg, Tomb of Yawgmoth
31%inclusion23 decks75 decks
17%synergy
Shizo, Death's Storehouse
27%inclusion20 decks75 decks
19%synergy
Karn's Bastion
25%inclusion19 decks75 decks
24%synergy
Eiganjo, Seat of the Empire
19%inclusion14 decks75 decks
12%synergy
Urza's Saga
16%inclusion12 decks75 decks
12%synergy
Reliquary Tower
15%inclusion11 decks75 decks
-1%synergy
Axgard Armory
12%inclusion9 decks75 decks
10%synergy
Maze of Ith
11%inclusion8 decks75 decks
7%synergy
Sunhome, Fortress of the Legion
9.3%inclusion7 decks75 decks
6%synergy
Takenuma, Abandoned Mire
8.0%inclusion6 decks75 decks
0%synergy
Command Beacon
8.0%inclusion6 decks75 decks
2%synergy
Hall of Heliod's Generosity
6.7%inclusion5 decks75 decks
5%synergy
Castle Locthwain
5.3%inclusion4 decks75 decks
2%synergy
Minas Tirith
5.3%inclusion4 decks75 decks
-4%synergy
Mana Artifacts
Arcane Signet
87%inclusion65 decks75 decks
1%synergy
Sol Ring
81%inclusion61 decks75 decks
-7%synergy
Patriar's Seal
68%inclusion51 decks75 decks
66%synergy
Talisman of Hierarchy
47%inclusion35 decks75 decks
6%synergy
Rakdos Signet
43%inclusion32 decks75 decks
12%synergy
Talisman of Indulgence
41%inclusion31 decks75 decks
4%synergy
Talisman of Conviction
41%inclusion31 decks75 decks
0%synergy
Orzhov Signet
41%inclusion31 decks75 decks
9%synergy
Boros Signet
36%inclusion27 decks75 decks
7%synergy
Fellwar Stone
23%inclusion17 decks75 decks
-5%synergy
Bounty Board
19%inclusion14 decks72 decks
17%synergy
Bandit's Haul
17%inclusion12 decks72 decks
15%synergy
The Soul Stone
14%inclusion4 decks28 decks
11%synergy
Chromatic Lantern
13%inclusion10 decks75 decks
2%synergy
Staff of Compleation
11%inclusion8 decks75 decks
10%synergy
Aetheric Amplifier
8.5%inclusion4 decks47 decks
8%synergy
Commander's Sphere
8.0%inclusion6 decks75 decks
-7%synergy
Mind Stone
6.7%inclusion5 decks75 decks
-2%synergy
Relic of Legends
5.3%inclusion4 decks75 decks
2%synergy
Savai Crystal
5.3%inclusion4 decks75 decks
4%synergy
Lands
Plains
97%inclusion73 decks75 decks
2%synergy
Swamp
96%inclusion72 decks75 decks
1%synergy
Command Tower
96%inclusion72 decks75 decks
4%synergy
Mountain
95%inclusion71 decks75 decks
1%synergy
Blood Crypt
92%inclusion69 decks75 decks
48%synergy
Godless Shrine
91%inclusion68 decks75 decks
44%synergy
Sacred Foundry
87%inclusion65 decks75 decks
42%synergy
Vault of Champions
85%inclusion64 decks75 decks
52%synergy
Savai Triome
84%inclusion63 decks75 decks
46%synergy
Spectator Seating
83%inclusion62 decks75 decks
51%synergy
Luxury Suite
79%inclusion59 decks75 decks
47%synergy
Marsh Flats
73%inclusion55 decks75 decks
42%synergy
Arid Mesa
67%inclusion50 decks75 decks
35%synergy
Bloodstained Mire
63%inclusion47 decks75 decks
30%synergy
Exotic Orchard
61%inclusion46 decks75 decks
10%synergy
Forbidden Orchard
60%inclusion45 decks75 decks
57%synergy
Sundown Pass
52%inclusion39 decks75 decks
31%synergy
Nomad Outpost
47%inclusion35 decks75 decks
-12%synergy
Caves of Koilos
43%inclusion32 decks75 decks
3%synergy
Battlefield Forge
43%inclusion32 decks75 decks
3%synergy
Shattered Sanctum
43%inclusion32 decks75 decks
19%synergy
Haunted Ridge
41%inclusion31 decks75 decks
21%synergy
Isolated Chapel
39%inclusion29 decks75 decks
-14%synergy
Badlands
35%inclusion26 decks75 decks
22%synergy
Dragonskull Summit
35%inclusion26 decks75 decks
-17%synergy
Plateau
33%inclusion25 decks75 decks
21%synergy
Scrubland
33%inclusion25 decks75 decks
21%synergy
Clifftop Retreat
33%inclusion25 decks75 decks
-17%synergy
Sulfurous Springs
28%inclusion21 decks75 decks
1%synergy
Brightclimb Pathway
23%inclusion17 decks75 decks
14%synergy
Needleverge Pathway
20%inclusion15 decks75 decks
12%synergy
Malakir Rebirth
19%inclusion14 decks75 decks
13%synergy
Smoldering Marsh
17%inclusion13 decks75 decks
-19%synergy
Shadowy Backstreet
17%inclusion13 decks75 decks
7%synergy
Blightstep Pathway
17%inclusion13 decks75 decks
9%synergy
Reflecting Pool
16%inclusion12 decks75 decks
9%synergy
Plaza of Heroes
16%inclusion12 decks75 decks
12%synergy
Rugged Prairie
16%inclusion12 decks75 decks
0%synergy
Raucous Theater
16%inclusion12 decks75 decks
6%synergy
Prismatic Vista
15%inclusion11 decks75 decks
11%synergy
Path of Ancestry
15%inclusion11 decks75 decks
-23%synergy
Fetid Heath
15%inclusion11 decks75 decks
-6%synergy
Shattered Landscape
14%inclusion10 decks71 decks
-5%synergy
Fabled Passage
13%inclusion10 decks75 decks
5%synergy
Mana Confluence
13%inclusion10 decks75 decks
4%synergy
Elegant Parlor
13%inclusion10 decks75 decks
4%synergy
City of Brass
13%inclusion10 decks75 decks
3%synergy
Blazemire Verge
13%inclusion8 decks64 decks
1%synergy
Fell the Profane
11%inclusion8 decks71 decks
5%synergy
Witch Enchanter
11%inclusion8 decks71 decks
5%synergy
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